Specifications:

1. Frequency Range: VHF:136-174MHz, UHF 400-470MHz
2. Output Power: 5W
3. Newly added Channel Rotate Button
4. Analog & Digital DMR Tier I & II, compatible with Motorola and other DMR radios
5. High-Low Power: 5W/1W
6. Contact ID Capacity: 256
7. RX Group list: 76, each RX group list can hold 32 contact ID

Scan list: 64, each scan list can hold 32 channels

1. Zone Capacity: 32, each zone can hold 16 channels
2. Channel Capacity: 1024
3. Battery Capacity: 2200 mAh Li-Po battery

Features:

1. Added Channel Rotate Button for fast switching channels.
2. Fast switching between zones, use side button to set zones.
3. Scan function supports both analog & digital mode.
4. Monitor mode: Turn on monitor mode, when time slot and color code are confirmed, you can receive frequency with no limit of contact id and RX group lists.
5. Customize shortcut keys with side buttons: including long-press and short-press. Editing shortcut keys with Programming Software.
6. Voice Prompt: Channel number, RX frequency, TX frequency, zone (mode), time slot (1,2), color code, DMR ID, power
7. Repeater function supports both analog & digital mode.
8. With SMA-Female antenna base, compatible with all SMA-Male antennas.
9. Driver-free programming cable, plug and play
10. User-friendly programming software: support bulk editing on channels and contact ID, support import and export with CSV file.
11. Continuously support on software and firmware update

Product Function:

• Programmable CTSS/DCS
• Squelch
• TOT
• VOX
• Encrypt
• Emergency Alarm

About Zone Setting:

We’ve set 4 zones with 64 channels totally.

GD-77S is able to program 32 zones and switch channels on the device.

Step 1: Choose Side button 1 or 2 to set zone function. Short-press Side button 1 for zone setting as default.

Step 2: Enter zone setting, use Side button 1 and 2 for UP/DOWN choosing channels, zone number will be told by audio. (mode1, mode2 …)

Step 3: After selecting for zones, please long-press Side button 1 or 2 to save and exit.

About Programming:

The programming cable is equipped with driver which supports Windows XP/7/10 and there is no need for you to install the driver in your computer. If you are not able to program your GD-77S, please try to insert the cable to another USB port or another computer. If it still doesn't work, please kindly report to us, we will arrange you a new replacement once we have confirmed your issues.

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Up to 5KM (3 Miles) Talking Range

Although GD-77S is only 3CM in body thickness, the talking range can be as far as 5KM (3 Miles) under most circumstances. There are other factors that affect the range of a two-way radio too such as weather, exact frequency used, and obstructions.
Please also note that extended transmit time may lead to excessive heat, affecting the battery lifespan.

Package content:
1 x GD-77S DMR
1 x Dual Band High Gain Antenna
1 x Belt Clip
1 x Desktop Charger
1 x 2200mAh Battery
1 x User Manual
1 x Earpiece
1 x Free Programming Cable